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JP3810875B2 - Integrated heat exchanger - Google Patents

Integrated heat exchanger Download PDF

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Publication number
JP3810875B2
JP3810875B2 JP01075997A JP1075997A JP3810875B2 JP 3810875 B2 JP3810875 B2 JP 3810875B2 JP 01075997 A JP01075997 A JP 01075997A JP 1075997 A JP1075997 A JP 1075997A JP 3810875 B2 JP3810875 B2 JP 3810875B2
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Japan
Prior art keywords
heat exchanger
tank
partition
chamber
oil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP01075997A
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Japanese (ja)
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JPH10206074A (en
Inventor
一三 中村
倫健 隅田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marelli Corp
Original Assignee
Calsonic Kansei Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Calsonic Kansei Corp filed Critical Calsonic Kansei Corp
Priority to JP01075997A priority Critical patent/JP3810875B2/en
Priority to EP98101183A priority patent/EP0855566B1/en
Priority to DE69813328T priority patent/DE69813328T2/en
Priority to US09/013,221 priority patent/US6173766B1/en
Publication of JPH10206074A publication Critical patent/JPH10206074A/en
Application granted granted Critical
Publication of JP3810875B2 publication Critical patent/JP3810875B2/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05375—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
    • F28F9/0212—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions the partitions being separate elements attached to header boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F2009/0285—Other particular headers or end plates
    • F28F2009/0287—Other particular headers or end plates having passages for different heat exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/02—Arrangements of fins common to different heat exchange sections, the fins being in contact with different heat exchange media

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、ラジエータとコンデンサとを隣接配置し、ラジエータとコンデンサのコア部に配置されるコルゲートフィンを共用してなる一体型熱交換器に関する。
【０００２】
【従来の技術】
近時、冷房用のコンデンサをラジエータの前面に連結したいわゆる一体型熱交換器が開発されており、このような一体型熱交換器として、例えば、特開平１−２４７９９０号公報等に開示されるものが知られている。
【０００３】
図５は、この種の一体型熱交換器を示すもので、この一体型熱交換器では、コンデンサ１がラジエータ２の前面に配置されている。
コンデンサ１は、所定間隔を置いて対向配置される上コンデンサタンク３と下コンデンサタンク４との間にコア部５を形成して構成され、また、ラジエータ２は、所定間隔を置いて対向配置される上ラジエータタンク６と下ラジエータタンク７との間にコア部５を形成して構成されている。
【０００４】
そして、この一体型熱交換器では、コア部５には、コンデンサ用のチューブ７とラジエータ用のチューブ８が配置され、これ等のチューブ７，８に跨って幅広のコルゲートフィン９がろう付けされ、コルゲートフィン９が共用されている。
また、ラジエータ２の上ラジエータタンク６には、冷却水流入パイプ１０が開口され、下ラジエータタンク７には、冷却水流出パイプ１１が開口されている。
【０００５】
さらに、コンデンサ１の上コンデンサタンク３には、冷媒流入パイプ１２および冷媒流出パイプ１３が開口されている。
また、この一体型熱交換器では、下ラジエータタンク７には、自動変速機用のオイルを冷却するためのオイルクーラ１４が内蔵されている。
このオイルクーラ１４は、内筒１５と外筒１６との間にインナーフィン１７を収容し、外筒１６の長手方向の一側および他側に設けられたシート部材１８に、オイル流入パイプ１９およびオイル流出パイプ（図示せず）を接続して構成されている。
【０００６】
そして、オイル流入パイプ１９およびオイル流出パイプが、下ラジエータタンク７に形成される貫通穴７ａに挿通され、シート部材１８を貫通穴７ａにカシメ固定した状態でろう付けされている。
【０００７】
【発明が解決しようとする課題】
しかしながら、このような従来の一体型熱交換器では、下ラジエータタンク７にオイルクーラ１４を別途内蔵しているため、部品点数および組立工数が増大するという問題があった。
【０００８】
また、下ラジエータタンク７にオイルクーラ１４を組み込む前に、内筒１５と外筒１６との間にインナーフィン１７を収容し、外筒１６にシート部材１８を配置した状態で、これ等の部品を相互にろう付けする必要があるため、ろう付け工数が増大するという問題があった。
本発明は、かかる従来の問題を解決したもので、オイルクーラを容易，確実に形成することができる一体型熱交換器を提供することを目的とする。
【０００９】
【課題を解決するための手段】
請求項１の一体型熱交換器は、一対の第１熱交換器用タンク（３１，３３）の間にコア部（２９）を形成してなる第１熱交換器（２３）と、一対の第２熱交換器用タンク（２５，２７）の間にコア部（２９）を形成してなる第２熱交換器（２１）とを隣接配置するとともに、前記第１熱交換器（２３）と第２熱交換器（２１）のコア部（２９）に配置されるコルゲートフィン（３９）を共用してなる一体型熱交換器において、前記一対の第２熱交換器用タンク（２５，２７）の対向する部位をそれぞれ第１の仕切部（４５）により仕切り、第２熱交換器用タンク（２５，２７）の一側に前記第１熱交換器（２３）および前記第２熱交換器（２１）を流れる第１および第２の媒体とは異なる第３の媒体を集配する第１の室（４７）を形成するとともに、前記第１の室（４７）を第２の仕切部（５１）により仕切り、前記第２の仕切部（５１）により仕切られ形成された室（４７ａ，４７ｂ）のうち前記第１の仕切部（４５）側の室（４７ｂ）に前記第３の媒体の流出パイプ（５５）を開口してなることを特徴とする。
【００１０】
請求項２の一体型熱交換器は、請求項１記載の一体型熱交換器において、前記第２熱交換器（２１）の媒体入口側流路と、前記第２の仕切部（５１）により仕切られ形成された室（４７ａ，４７ｂ）のうち前記第１の仕切部（４５）側の室（４７ｂ）とが隣接していることを特徴とする。
請求項３の一体型熱交換器は、請求項２記載の一体型熱交換器において、前記第２熱交換器（２１）の媒体入口側流路を媒体が流れる方向と、前記第２の仕切部（５１）により仕切られ形成された室（４７ａ，４７ｂ）のうち前記第１の仕切部（４５）側の室（４７ｂ）に対応するコア部（２９）を流れる媒体の流通方向とが同じ方向であることを特徴とする。
【００１３】
【発明の実施の形態】
以下、本発明の実施形態を図面を用いて詳細に説明する。
図１ないし図４は、本発明の一体型熱交換器の一実施形態を示している。
この一体型熱交換器では、コンデンサ２１がラジエータ２３の前面に配置されている。
【００１４】
コンデンサ２１は、所定間隔を置いて対向配置される上コンデンサタンク２５と下コンデンサタンク２７との間にコア部２９を形成して構成されている。
また、ラジエータ２３は、所定間隔を置いて対向配置される上ラジエータタンク３１と下ラジエータタンク３３との間にコア部２９を形成して構成されている。
コア部２９には、図２に示すように、コンデンサ２１用のチューブ３５とラジエータ２３用のチューブ３７とが配置されている。
【００１５】
これ等のチューブ３５，３７に跨って幅広のコルゲートフィン３９がろう付けされ、コルゲートフィン３９が共用されている。
この実施形態では、上コンデンサタンク２５と上ラジエータタンク３１、および下コンデンサタンク２７と下ラジエータタンク３３は、アルミニウムからなり、押し出し成形により一体形成されている。
【００１６】
また、上コンデンサタンク２５および下コンデンサタンク２７は、円筒状に形成され、上ラジエータタンク３１および下ラジエータタンク３３は、矩形筒状に形成されている。
上コンデンサタンク２５および下コンデンサタンク２７内には、図４に示すように、ディバイド４１，４３が形成されている。
【００１７】
そして、この実施形態では、上コンデンサタンク２５と下コンデンサタンク２７の対向する部位が、ディバイドからなる第１の仕切部４５により仕切られており、上コンデンサタンク２５および下コンデンサタンク２７の一側にオイル室４７が形成されている。
すなわち、この実施形態では、上コンデンサタンク２５と下コンデンサタンク２７の一部を用いてオイルクーラ４９のオイルタンクとなるオイル室４７が形成されている。
【００１８】
また、これ等のオイル室４７の間には、コンデンサ２１のコア部２９の一部を用いてオイルクーラ４９のコア部２９Ａが形成されている。
さらに、この実施形態では、下コンデンサタンク２７のオイル室４７が、ディバイドからなる第２の仕切部５１により仕切られている。
第２の仕切部５１により仕切られた外側に位置するオイル室４７ａには、オイル流入パイプ５３が開口され、第１の仕切部４５側のオイル室４７ｂには、オイル流出パイプ５５が開口されている。
【００１９】
コンデンサ２１の上コンデンサタンク２５の第１の仕切部４５の内側には、冷媒流入パイプ５７が開口され、下コンデンサタンク２７には、冷媒流出パイプ５９が開口されている。
また、ラジエータ２３の上ラジエータタンク３１には、冷却水流入パイプ６１が開口され、下ラジエータタンク３３には、冷却水流出パイプ６３が開口されている。
【００２０】
上述した一体型熱交換器では、ラジエータ２３の冷却水は、図３に示すように、冷却水流入パイプ６１から上ラジエータタンク３１内に流入し、チューブ３７を通る間に冷却された後、下ラジエータタンク３３に流入し、冷却水流出パイプ６３から流出される。
一方、コンデンサ２１の冷媒は、図４に示すように、冷媒流入パイプ５７から上コンデンサタンク２５内に流入した後、チューブ３５を通り下コンデンサタンク２７に流入し、さらに、ディバイド４１，４３の作用により、上コンデンサタンク２５，下コンデンサタンク２７へ流入し、チューブ３５を通る間に冷却され、最終的に下コンデンサタンク２７の冷媒流出パイプ５９から流出される。
【００２１】
そして、オイル流入パイプ５３から下コンデンサタンク２７のオイル室４７ａに流入したオイルは、チューブ３５を通る間に冷却され上コンデンサタンク２５のオイル室４７に流入した後、さらにチューブ３５を通る間に冷却され下コンデンサタンク２７のオイル室４７ｂに流入し、オイル流出パイプ５５から流出される。
【００２２】
以上のように構成された一体型熱交換器では、上コンデンサタンク２５と下コンデンサタンク２７の対向する部位をそれぞれ第１の仕切部４５により仕切ることにより、上コンデンサタンク２５と下コンデンサタンク２７の一部を用いてオイルクーラ４９のオイルタンクとなるオイル室４７を形成し、オイル室４７にオイル流入パイプ５３およびオイル流出パイプ５５を開口し、コンデンサ２１のコア部２９の一部をオイルクーラ４９のコア部２９Ａとして用いるようにしたので、オイルクーラ４９を容易，確実に形成することができる。
【００２３】
また、上述した一体型熱交換器では、下コンデンサタンク２７のオイル室４７を第２の仕切部５１により仕切り、第２の仕切部５１により仕切られたオイル室４７ａおよび４７ｂに、オイル流入パイプ５３およびオイル流出パイプ５５を開口したので、下コンデンサタンク２７のオイル室４７に、オイル流入パイプ５３とオイル流出パイプ５５とを間隔を置いて配置することが可能になり、オイル配管の取り回しを容易に行うことができる。
【００２４】
さらに、上述した一体型熱交換器では、オイル流出パイプ５５を、第１の仕切部４５側に開口したので、図４に示すように、コンデンサ２１の冷媒が流通するチューブ３５側にコルゲートフィン３９を介して位置されるチューブ３５ａには、冷却されたオイルが流通されることになり、コルゲートフィン３９を介してのコンデンサ２１の冷媒に対する熱的影響を低減することができる。
【００２５】
なお、上述した実施形態では、縦流れの一体型熱交換器に本発明を適用した例について説明したが、本発明はかかる実施形態に限定されるものではなく、横流れの一体型熱交換器にも適用することができる。
また、上述した実施形態では、下コンデンサタンク２７のオイル室４７にオイル流入パイプ５３およびオイル流入パイプ５５を開口した例について説明したが、本発明はかかる実施形態に限定されるものではなく、例えば、第２の仕切部５１を無くし、上コンデンサタンク２５のオイル室４７にオイル流入パイプ５３を開口し、下コンデンサタンク２７のオイル室４７にオイル流出パイプ５５を開口するようにしても良い。
【００２６】
また、上述した実施形態では、上コンデンサタンク２５と上ラジエータタンク３１、および下コンデンサタンク２７と下ラジエータタンク３３とを一体にした一体型熱交換器に本発明を適用した例について説明したが、本発明はかかる実施形態に限定されるものではなく、上コンデンサタンクと上ラジエータタンク、および下コンデンサタンクと下ラジエータタンクとが別体の一体型熱交換器にも適用することができる。
【００２９】
【発明の効果】
本発明の一体型熱交換器では、第３の媒体の流出パイプを、第１の仕切部側の室に開口したので、第２熱交換器の媒体が流通するチューブ側にコルゲートフィンを介して位置されるチューブには、冷却された第３の媒体が流通されることになり、コルゲートフィンを介しての第２熱交換器の媒体に対する熱的影響を低減することができる。
【図面の簡単な説明】
【図１】本発明の一体型熱交換器の一実施形態を示す斜視図である。
【図２】図１の横断面図である。
【図３】図１のラジエータを示す縦断面図である。
【図４】図１のコンデンサを示す縦断面図である。
【図５】従来の一体型熱交換器を示す横断面図である。
【符号の説明】
２１ コンデンサ
２３ ラジエータ
２５ 上コンデンサタンク
２７ 下コンデンサタンク
２９，２９Ａ コア部
３１ 上ラジエータタンク
３３ 下ラジエータタンク
３９ コルゲートフィン
４５ 第１の仕切部
４７ オイル室
４９ オイルクーラ
５１ 第２の仕切部
５３ オイル流入パイプ
５５ オイル流出パイプ[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an integrated heat exchanger in which a radiator and a condenser are disposed adjacent to each other and a corrugated fin disposed in a core portion of the radiator and the condenser is shared.
[0002]
[Prior art]
Recently, a so-called integrated heat exchanger in which a condenser for cooling is connected to the front surface of the radiator has been developed. Such an integrated heat exchanger is disclosed in, for example, Japanese Patent Application Laid-Open No. 1-247990. Things are known.
[0003]
FIG. 5 shows an integral heat exchanger of this type. In this integral heat exchanger, the condenser 1 is disposed on the front surface of the radiator 2.
The capacitor 1 is configured by forming a core portion 5 between an upper capacitor tank 3 and a lower capacitor tank 4 that are arranged to face each other at a predetermined interval, and the radiator 2 is arranged to face each other at a predetermined interval. A core portion 5 is formed between an upper radiator tank 6 and a lower radiator tank 7.
[0004]
In this integrated heat exchanger, a condenser tube 7 and a radiator tube 8 are arranged in the core portion 5, and a wide corrugated fin 9 is brazed across these tubes 7, 8. The corrugated fin 9 is shared.
A cooling water inflow pipe 10 is opened in the upper radiator tank 6 of the radiator 2, and a cooling water outflow pipe 11 is opened in the lower radiator tank 7.
[0005]
Furthermore, a refrigerant inflow pipe 12 and a refrigerant outflow pipe 13 are opened in the upper capacitor tank 3 of the capacitor 1.
In this integrated heat exchanger, the lower radiator tank 7 includes an oil cooler 14 for cooling the oil for the automatic transmission.
The oil cooler 14 accommodates an inner fin 17 between the inner cylinder 15 and the outer cylinder 16, and an oil inflow pipe 19 and a seat member 18 provided on one side and the other side of the outer cylinder 16 in the longitudinal direction. An oil outflow pipe (not shown) is connected.
[0006]
The oil inflow pipe 19 and the oil outflow pipe are inserted into a through hole 7a formed in the lower radiator tank 7, and are brazed in a state where the sheet member 18 is caulked and fixed to the through hole 7a.
[0007]
[Problems to be solved by the invention]
However, in such a conventional integrated heat exchanger, since the oil cooler 14 is separately incorporated in the lower radiator tank 7, there is a problem that the number of parts and the number of assembling steps increase.
[0008]
Further, before the oil cooler 14 is assembled into the lower radiator tank 7, the inner fins 17 are accommodated between the inner cylinder 15 and the outer cylinder 16, and these parts are disposed in a state in which the seat member 18 is disposed in the outer cylinder 16. Since it is necessary to braze each other, there is a problem that the number of brazing steps increases.
The present invention solves such a conventional problem, and an object thereof is to provide an integrated heat exchanger capable of easily and reliably forming an oil cooler.
[0009]
[Means for Solving the Problems]
The integrated heat exchanger according to claim 1 includes a first heat exchanger (23) in which a core portion (29) is formed between a pair of first heat exchanger tanks (31, 33), and a pair of first heat exchangers . A second heat exchanger (21) having a core portion (29) formed between two heat exchanger tanks (25, 27) is disposed adjacent to the first heat exchanger (23) and the second heat exchanger (21) . In the integrated heat exchanger formed by sharing the corrugated fins (39) disposed in the core portion (29) of the heat exchanger (21), the pair of second heat exchanger tanks (25, 27) face each other . Each part is partitioned by the first partition (45), and flows through the first heat exchanger (23) and the second heat exchanger (21) to one side of the second heat exchanger tank (25, 27). When the first and second medium to form a first chamber for collection and delivery of different third medium (47) Moni, said first chamber (47) a second partition portion partitioning by (51), the second partition portion (51) by partitioned formed chambers (47a, 47b) the first of The third medium outlet pipe (55) is opened in the chamber (47b) on the partition (45) side .
[0010]
The integrated heat exchanger according to claim 2 is the integrated heat exchanger according to claim 1, wherein the medium inlet side channel of the second heat exchanger (21) and the second partition portion (51). Of the chambers (47a, 47b) formed to be partitioned, the chamber (47b) on the first partition (45) side is adjacent to the chamber (47a, 47b) .
The integral heat exchanger according to claim 3 is the integral heat exchanger according to claim 2, wherein the medium flows in the medium inlet side flow path of the second heat exchanger (21) and the second partition. The flow direction of the medium flowing through the core portion (29) corresponding to the chamber (47b) on the first partition portion (45) side among the chambers (47a, 47b) partitioned by the portion (51) is the same. It is a direction .
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1 to 4 show an embodiment of the integrated heat exchanger of the present invention.
In this integrated heat exchanger, the condenser 21 is disposed on the front surface of the radiator 23.
[0014]
The capacitor 21 is configured by forming a core portion 29 between an upper capacitor tank 25 and a lower capacitor tank 27 that are arranged to face each other at a predetermined interval.
Further, the radiator 23 is configured by forming a core portion 29 between an upper radiator tank 31 and a lower radiator tank 33 that are arranged to face each other at a predetermined interval.
As shown in FIG. 2, a tube 35 for the capacitor 21 and a tube 37 for the radiator 23 are arranged in the core portion 29.
[0015]
A wide corrugated fin 39 is brazed across these tubes 35 and 37, and the corrugated fin 39 is shared.
In this embodiment, the upper condenser tank 25 and the upper radiator tank 31, and the lower condenser tank 27 and the lower radiator tank 33 are made of aluminum and are integrally formed by extrusion molding.
[0016]
The upper condenser tank 25 and the lower condenser tank 27 are formed in a cylindrical shape, and the upper radiator tank 31 and the lower radiator tank 33 are formed in a rectangular cylindrical shape.
Dividers 41 and 43 are formed in the upper capacitor tank 25 and the lower capacitor tank 27 as shown in FIG.
[0017]
In this embodiment, the opposed portions of the upper capacitor tank 25 and the lower capacitor tank 27 are partitioned by a first partition 45 made of a divide, and on one side of the upper capacitor tank 25 and the lower capacitor tank 27. An oil chamber 47 is formed.
That is, in this embodiment, an oil chamber 47 serving as an oil tank of the oil cooler 49 is formed using a part of the upper capacitor tank 25 and the lower capacitor tank 27.
[0018]
Further, between these oil chambers 47, a core portion 29 </ b> A of an oil cooler 49 is formed using a part of the core portion 29 of the capacitor 21.
Furthermore, in this embodiment, the oil chamber 47 of the lower capacitor tank 27 is partitioned by a second partition portion 51 made of a divider.
An oil inflow pipe 53 is opened in the oil chamber 47a located outside by the second partition 51, and an oil outflow pipe 55 is opened in the oil chamber 47b on the first partition 45 side. Yes.
[0019]
A refrigerant inflow pipe 57 is opened inside the first partition 45 of the upper capacitor tank 25 of the capacitor 21, and a refrigerant outflow pipe 59 is opened in the lower capacitor tank 27.
A cooling water inflow pipe 61 is opened in the upper radiator tank 31 of the radiator 23, and a cooling water outflow pipe 63 is opened in the lower radiator tank 33.
[0020]
In the integrated heat exchanger described above, the cooling water of the radiator 23 flows into the upper radiator tank 31 from the cooling water inflow pipe 61 and is cooled while passing through the tube 37 as shown in FIG. It flows into the radiator tank 33 and flows out from the cooling water outflow pipe 63.
On the other hand, as shown in FIG. 4, the refrigerant in the condenser 21 flows into the upper condenser tank 25 from the refrigerant inflow pipe 57, then flows into the lower condenser tank 27 through the tube 35, and further functions of the dividers 41 and 43. Thus, the refrigerant flows into the upper condenser tank 25 and the lower condenser tank 27, is cooled while passing through the tube 35, and finally flows out from the refrigerant outlet pipe 59 of the lower condenser tank 27.
[0021]
The oil flowing into the oil chamber 47 a of the lower condenser tank 27 from the oil inflow pipe 53 is cooled while passing through the tube 35, flows into the oil chamber 47 of the upper condenser tank 25, and then cooled while passing through the tube 35. Then, it flows into the oil chamber 47 b of the lower capacitor tank 27 and flows out from the oil outlet pipe 55.
[0022]
In the integrated heat exchanger configured as described above, the opposing portions of the upper condenser tank 25 and the lower condenser tank 27 are partitioned by the first partition portions 45, respectively, so that the upper condenser tank 25 and the lower condenser tank 27 are separated. An oil chamber 47 serving as an oil tank of the oil cooler 49 is formed using a part thereof, and an oil inflow pipe 53 and an oil outflow pipe 55 are opened in the oil chamber 47, and a part of the core portion 29 of the capacitor 21 is connected to the oil cooler 49. Therefore, the oil cooler 49 can be easily and reliably formed.
[0023]
In the integrated heat exchanger described above, the oil chamber 47 of the lower condenser tank 27 is partitioned by the second partition portion 51, and the oil inflow pipe 53 is provided to the oil chambers 47 a and 47 b partitioned by the second partition portion 51. Since the oil outflow pipe 55 is opened, the oil inflow pipe 53 and the oil outflow pipe 55 can be arranged at an interval in the oil chamber 47 of the lower condenser tank 27, and the oil piping can be easily handled. It can be carried out.
[0024]
Further, in the above-described integrated heat exchanger, the oil outlet pipe 55 is opened on the first partition 45 side, so that the corrugated fin 39 on the tube 35 side through which the refrigerant of the condenser 21 flows, as shown in FIG. The cooled oil is circulated through the tube 35a positioned via the, and the thermal influence on the refrigerant of the condenser 21 via the corrugated fins 39 can be reduced.
[0025]
In the above-described embodiment, the example in which the present invention is applied to the vertical flow integrated heat exchanger has been described. However, the present invention is not limited to such an embodiment, and the cross flow integrated heat exchanger is used. Can also be applied.
In the above-described embodiment, the example in which the oil inflow pipe 53 and the oil inflow pipe 55 are opened in the oil chamber 47 of the lower capacitor tank 27 has been described. However, the present invention is not limited to such an embodiment. Alternatively, the second partition 51 may be eliminated, the oil inflow pipe 53 may be opened in the oil chamber 47 of the upper capacitor tank 25, and the oil outflow pipe 55 may be opened in the oil chamber 47 of the lower capacitor tank 27.
[0026]
In the above-described embodiment, the example in which the present invention is applied to the integrated heat exchanger in which the upper condenser tank 25 and the upper radiator tank 31 and the lower condenser tank 27 and the lower radiator tank 33 are integrated has been described. The present invention is not limited to such an embodiment, and can be applied to an integrated heat exchanger in which the upper condenser tank and the upper radiator tank, and the lower condenser tank and the lower radiator tank are separated.
[0029]
【The invention's effect】
In the integrated heat exchanger according to the present invention , since the third medium outlet pipe is opened in the chamber on the first partition portion side, the corrugated fin is provided on the tube side through which the medium of the second heat exchanger flows. The cooled third medium is circulated through the tube positioned, and the thermal influence on the medium of the second heat exchanger via the corrugated fins can be reduced.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of an integrated heat exchanger according to the present invention.
FIG. 2 is a cross-sectional view of FIG.
FIG. 3 is a longitudinal sectional view showing the radiator of FIG. 1;
4 is a longitudinal sectional view showing the capacitor of FIG. 1;
FIG. 5 is a cross-sectional view showing a conventional integrated heat exchanger.
[Explanation of symbols]
21 Condenser 23 Radiator 25 Upper condenser tank 27 Lower condenser tank 29, 29A Core 31 Upper radiator tank 33 Lower radiator tank 39 Corrugated fin 45 First partition 47 Oil chamber 49 Oil cooler 51 Second partition 53 Oil inflow pipe 55 Oil spill pipe

Claims (3)

一対の第１熱交換器用タンク（３１，３３）の間にコア部（２９）を形成してなる第１熱交換器（２３）と、一対の第２熱交換器用タンク（２５，２７）の間にコア部（２９）を形成してなる第２熱交換器（２１）とを隣接配置するとともに、前記第１熱交換器（２３）と第２熱交換器（２１）のコア部（２９）に配置されるコルゲートフィン（３９）を共用してなる一体型熱交換器において、
前記一対の第２熱交換器用タンク（２５，２７）の対向する部位をそれぞれ第１の仕切部（４５）により仕切り、第２熱交換器用タンク（２５，２７）の一側に前記第１熱交換器（２３）および前記第２熱交換器（２１）を流れる第１および第２の媒体とは異なる第３の媒体を集配する第１の室（４７）を形成するとともに、前記第１の室（４７）を第２の仕切部（５１）により仕切り、前記第２の仕切部（５１）により仕切られ形成された室（４７ａ，４７ｂ）のうち前記第１の仕切部（４５）側の室（４７ｂ）に前記第３の媒体の流出パイプ（５５）を開口してなることを特徴とする一体型熱交換器。A first heat exchanger (23) in which a core part (29) is formed between a pair of first heat exchanger tanks (31, 33) and a pair of second heat exchanger tanks (25, 27). A second heat exchanger (21) formed with a core portion (29) therebetween is disposed adjacent to the core portion (29) of the first heat exchanger (23) and the second heat exchanger (21). In the integrated heat exchanger that shares the corrugated fin (39) disposed in
Wherein each of the first partition portion facing the portion of the pair second heat exchanger tanks (25, 27) of the partition by (45), said first heat on one side of the second heat exchanger tank (25, 27) Forming a first chamber (47) for collecting and delivering a third medium different from the first and second medium flowing in the exchanger (23) and the second heat exchanger (21) ; The chamber (47) is partitioned by the second partition portion (51), and the chamber (47a, 47b) of the chamber (47a, 47b) formed by partitioning the second partition portion (51) is located on the first partition portion (45) side. An integrated heat exchanger , wherein the third medium outlet pipe (55) is opened in the chamber (47b) . 請求項１記載の一体型熱交換器において、
前記第２熱交換器（２１）の媒体入口側流路と、前記第２の仕切部（５１）により仕切られ形成された室（４７ａ，４７ｂ）のうち前記第１の仕切部（４５）側の室（４７ｂ）とが隣接していることを特徴とする一体型熱交換器。The integrated heat exchanger according to claim 1, wherein
Of the chambers (47a, 47b) partitioned by the medium inlet side channel of the second heat exchanger (21) and the second partition (51), the first partition (45) side An integrated heat exchanger characterized by being adjacent to the chamber (47b) . 請求項２記載の一体型熱交換器において、
前記第２熱交換器（２１）の媒体入口側流路を媒体が流れる方向と、前記第２の仕切部（５１）により仕切られ形成された室（４７ａ，４７ｂ）のうち前記第１の仕切部（４５）側の室（４７ｂ）に対応するコア部（２９）を流れる媒体の流通方向とが同じ方向であることを特徴とする一体型熱交換器。The integrated heat exchanger according to claim 2,
The direction of the medium flowing through the medium inlet side flow path of the second heat exchanger (21) and the first partition among the chambers (47a, 47b) formed by the second partition (51). An integrated heat exchanger characterized in that the flow direction of the medium flowing through the core portion (29) corresponding to the chamber (47b) on the portion (45) side is the same direction .
JP01075997A 1997-01-24 1997-01-24 Integrated heat exchanger Expired - Fee Related JP3810875B2 (en)

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EP0855566A2 (en) 1998-07-29
EP0855566A3 (en) 1999-06-16
US6173766B1 (en) 2001-01-16
JPH10206074A (en) 1998-08-07
EP0855566B1 (en) 2003-04-16
DE69813328T2 (en) 2003-10-23

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